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Finding the Fourth Proportional to 374,682.99, 561,799.39 and 172,025.49

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Solution

The fourth proportional to 374,682.99, 561,799.39 and 172,025.49 is: 257,934.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,682.99 : 561,799.39 = 172,025.49 : x
  2. Step 2: Convert to fraction form
    374,682.99/561,799.39 = 172,025.49/x
  3. Step 3: Cross multiply
    374,682.99x = 561,799.39 × 172,025.49
  4. Step 4: Simplify right side
    374,682.99x = 96,643,812,107.39
  5. Step 5: Solve for x
    x = 96,643,812,107.39/374,682.99
  6. Step 6: Final answer
    x = 257,934.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.